Name |
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Romania |
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Bulgaria |
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Greece |
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Serbia
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Official name |
Romania (România) |
Republic of Bulgaria (Република България / Republika Bŭlgariya) |
Hellenic Republic (Ελληνική Δημοκρατία) |
Republic of Serbia (Република Србија / Republika Srbija)
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Coat of Arms
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Flag
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Population
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19,051,562 (2023)
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6,447,710 (2022)
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10,482,487 (2022)
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6,664,449 (2023)
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Area
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238,397 km2 (92,046 sq mi)
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110,993.6 km2 (42,854.9 sq mi)
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131,957 km2 (50,949 sq mi)
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77,747 km2(29,913 sq mi)(excluding Kosovo)
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Population Density
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84.4/km2 (218.6/sq mi)
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58/km2 (165.8/sq mi)
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79,4/km2 (212.4/sq mi)
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86/km2 (230.5/sq mi)
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Government
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Unitary Semi-presidential constitutional republic
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Unitary parliamentary constitutional republic
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Unitary parliamentary constitutional republic
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Unitary parliamentary constitutional republic
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Capital
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Bucharest – 1,716,961 (2,304,408
metro)
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Sofia – 1,248,452 (1,667,314 metro)
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Athens – 643,452 (3,638,281 metro)
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Belgrade – 1,383,875 (1,681,405 metro)
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Largest City
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Official language
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Romanian
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Bulgarian
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Greek
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Serbian
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First Leader
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Alexandru Ioan Cuza, Domnitor of the United Principalities (first ruler of the modern unified state)
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Khan Asparuh of Bulgaria (founder of the First Bulgarian Empire)
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Governor Ioannis Kapodistrias (first head of state of the modern independent state)
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Prince Višeslav of Serbia (first ruler known by name)
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Current Head of Government
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Prime Minister Marcel Ciolacu (PSD)
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Prime Minister Nikolay Denkov (PP-DB)
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Prime Minister Kyriakos Mitsotakis (New Democracy)
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Prime Minister Ana Brnabić (SNS)
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Current Head of State
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President Klaus Iohannis (Independent but affiliated with PNL)
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President Rumen Radev (Independent)
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President Katerina Sakellaropoulou (Independent)
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President Aleksandar Vučić (SNS)
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Main religions
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81% Eastern Orthodox, 6.2% Protestant, 5.1% Latin and Greek Catholic, 0.2% irreligious, 1.5% Other religious
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59.5% Eastern Orthodox, 9.3% irreligious, 7.9% Islam, 0.9% Protestant, 0.7% Roman Catholic
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90% Eastern Orthodox, 3% Other Christians (excluding Catholic), 4% irreligious, 2% Islam, 3% Other religious (including Eastern or Western Catholic)
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81.1% Eastern Orthodox, 3.9% Roman Catholic, 3.1% Islam, 1.11% irreligious, 0.99% Protestant, 3.54% Other religious
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Ethnic groups
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88.9% Romanians, 6.1% Hungarians, 3.3% Roma, 0.2% Ukrainians, 0.2% Germans
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84.8% Bulgarians, 8.8% Turks, 4.9% Roma, 0.7% others
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Greek 91.6%, Albanian 4.4%, other 4%
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87.5% Serbs, 2.8% Hungarians, 2.1% Roma, 2.3% Bosniaks, 9% others
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GDP (nominal)
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- $348,902 billion (2023) 45th
- $18,530 per capita (2023) 54th
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- $100,635 billion (2023) 72nd
- $14,893 per capita (2023) 60th
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- $239,300 billion (2023) 54th
- $22,595 per capita (2023) 44th
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- $73,961 billion (2023) 85th
- $10,849 per capita (2023) 77th
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GDP (PPP)
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- $783,903 billion (2023) 35th
- $41,634 per capita (2023) 47th
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- $216,267 billion (2023) 72nd
- $32,006 per capita (2023) 59th
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- $418,113 billion (2023) 55th
- $39,478 per capita (2023) 53rd
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- $173,365 billion (2023) 80th
- $25,432 per capita (2023) 66th
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External debt
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36.8 % of GDP
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20.4 % of GDP
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178.2 % of GDP
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48.2 % of GDP
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Currency
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Leu (L) – RON
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Lev (лв) – BGN
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Euro (€) – EUR
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Serbian dinar (din) – RSD
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Human Development Index
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